“An average human looks without seeing, listens without hearing, touches without feeling, eats without tasting, moves without physical awareness, inhales without awareness of odour or fragrance, and talks without thinking.”

“life without love, is no life at all”

“He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.”

“Study without desire spoils the memory, and it retains nothing that it takes in.”

“All our knowledge hast its origins in our perceptions … In nature there is no effect without a cause … Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments … Science is the observation of things possible, whether present or past; prescience is the knowledge of things which may come to pass.”

“Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.”

“In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time.”